Patent US3025409A successfully refreshed from Google Patents.
US3025409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic circuits or the like
Assignee: Hoffman Electronics Corp
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Filing: 1958-08-13
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Granted: 1962-03-13
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Expires: 1978-08-13
Abstract
No abstract record available.
Inventors
- 👤 Richard L White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:52
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2854651A
Cited
US2695993A
Cited
US2709798A
Cited
US2825820A
Cited
US2876435A
Cited
US2875432A
Cited
US2892103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |